Sorry for this - ignore it. I did validate this by eliminating each add-on a time. However this seems to be triggered by a combination of two add-ons.
And - mea culpa - I did not verify with all extensions off. I set it to Invalid already ** Changed in: firefox (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1804296 Title: firefox deletes saved web pages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1804296/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs